Federal Register - "Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Reasonably Available Control Technology Determinations for Case-by-Case Sources Under the 2008 8-Hour Ozone National Ambient Air Quality Standards"

Title: Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Reasonably Available Control Technology Determinations for Case-by-Case Sources Under the 2008 8-Hour Ozone National Ambient Air Quality Standards Source: Federal Register Data/Action: Environmental Protection Agency (Final Rule) Date: 10/21/2021 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R03-OAR-2020-0575; FRL-9061-02-R3] Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Reasonably Available Control Technology Determinations for Case-by-Case Sources Under the 2008 8-Hour Ozone National Ambient Air Quality Standards AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: The Environmental Protection Agency (EPA)... ...Environmental Protection Agency, Region III, 1650 Arch Street, Philadelphia, Pennsylvania 19103. The telephone number is (215) 814-2217. Mr. Burger can also be reached via electronic mail at [email protected] . SUPPLEMENTARY INFORMATION: I. Background On May 7, 2021, EPA published a notice of proposed rulemaking (NPRM). 86 FR 24564. In the NPRM, EPA... ...EPA is only approving source-specific RACT determinations (``case-by-case'' or alternative NO X emissions limits) for sources at nine major NO X and VOC emitting facilities located in Allegheny County. These RACT evaluations were submitted to meet RACT requirements for the 2008 8-hour ozone national ambient air quality standard (NAAQS). EPA is approving these revisions to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA) and EPA's implementing regulations. DATES: This final rule is effective on November 22, 2021. ADDRESSES: EPA...